dojammers
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dojammers posted a blog post

What should I do if the full-band examination room signal shielding device gets hot?

The college entrance examination is coming up in three months, and many students have already begun to work hard for their future. At the same time, many schools are also stepping up preparations. In order to provide students with a fair and just environment, they have already started preparing to layout examination rooms in March. One of the more important equipment in the layout of the examination room is definitely inseparable from our full-band examination room…See More
Jan 24
dojammers posted a blog post

What are the technical specifications of the power amplifier module of shielding signal equipment?

The signal jammer equipment power amplifier module plays an important role in electronic equipment, and its performance indicators are critical to the stability of the entire system. Let's discuss what the technical indicators of the shielding signal equipment power amplifier module include.1. Basic parameters1. Rated power: This refers to the continuous power that the power amplifier module can output under normal working conditions. It should be noted…See More
Jan 15
dojammers posted a blog post

What problems can a cell phone signal jammer solve?

What problems can a cell phone signal jammer solve?In the information age, communication technology develops rapidly, and mobile phones have become an indispensable tool in people's daily work and life. However, the widespread use of mobile phones has also created some problems that cannot be ignored, mainly:1. Mobile phones have become a new channel for leaking secrets.…See More
Nov 5, 2023
dojammers posted a blog post

How to detect the effective blocking range of the mobile phone signal jammer in the examination room?

How to detect the effective blocking range of the mobile phone signal jammer in the examination room?There are several ways to test the effectiveness of cell phone jammers in the examination room. Among them, the simplest and most effective method is to directly test the power, shielding range and other data of the signal jammer in the examination room through a spectrum analyzer. If you do not have professional electronic…See More
Oct 27, 2023
dojammers posted a blog post

Can a wifi signal jammer block monitoring transmitted through cables?

Can a wifi signal jammer block monitoring transmitted through cables?We often encounter customers asking us questions: Can your products block cameras? I need to buy a Wireless Signal Jammer to block surveillance cameras. When we encounter such a question, we really can't give an answer immediately. We must first ask the customer: the target object you need to block, that is, the surveillance camera, how is the signal…See More
Oct 20, 2023
dojammers posted a blog post

How effective is the wireless signal jammer when placed on the ground?

How effective is the wireless signal jammer when placed on the ground?All customers who have purchased a wireless signal blockers are very concerned about the actual shielding effect of the shielding device when they perform a power-on test after receiving the product. Different customers must have differences due to the testing environment, testing methods and testing times. The cell phones used are also different, so the test results fed back will be…See More
Oct 17, 2023
dojammers posted a blog post

Can the interference signal of the 5G signal jammer penetrate two walls continuously?

Can the interference signal of the 5G signal jammer penetrate two walls continuously?Many customers hope that the 5G signal jammer they purchase has the function of penetrating walls. They even hope that the 5G signal jammer can directly penetrate the interference signal through two walls and still maintain sufficient strength. So, can such expectations be realized?This requires distinguishing the material of the wall. If the…See More
Sep 27, 2023
dojammers posted a blog post

The impact of base stations on the shielding effect of cell phone signal jammers

The impact of base stations on the shielding effect of cell phone signal jammersIt is a key device that has been frequently used in major examination rooms recently. I believe many people should know the true function of this device. It is a key device that has been vigorously promoted in school examinations and can effectively eliminate and prevent candidates from cheating. , that is today’s protagonist: cell phone signal jammer.…See More
Sep 25, 2023
dojammers posted a blog post

Where are GPS jammers generally used - cell phone signal jammers

Where are GPS jammers generally used - cell phone signal jammers1. What is a GPS jammer?The GPS signal jamming system is designed to suppress the signals of the global satellite navigation GPS system in the 1500-1600MHz range. Jammers make it impossible for GPS satellites to monitor the location of cars and all vehicles via GPS, and gps jammer devices will not interfere with cell phones and other devices. The GPS jammer range can…See More
Sep 22, 2023
dojammers posted a blog post

Instructions and precautions for use of 5G high-power cell phone signal jammer system

Instructions and precautions for use of 5G high-power cell phone signal jammer systemInstructions for use of 5G high-power cell phone signal blocker system:1. For the HA-1000H high-power cell phone blocker, first confirm the location of the communication base station, find a high point and fix the output port of the machine downward (to prevent rain), and fix the antenna on the top or sides of the machine with poles. Turn your back…See More
Sep 20, 2023
dojammers posted a blog post

Can a wireless signal jammer block surveillance cameras?

Recently, we have often received inquiries from some customers who want to buy a suitable wireless signal jammer from us. The purpose is also very clear, which is to block surveillance cameras. Usually when we encounter such a demand, we will directly refuse it. . So the question is, can’t the wireless signal jammer we produce block surveillance cameras? Here, as a professional manufacturer of…See More
Sep 14, 2023
dojammers posted a blog post

Can the mobile phone signal shielding instrument shield GPS positioning signals at the same time?

Customers in the purchase of cell phone signal jammer equipment, generally as long as no special instructions, the manufacturer's default factory band, is not included in the GPS positioning signal shielding module, but if the customer in the order of shielding equipment, very clearly put forward the requirements: the need to shield all the mobile phone signal lamps at the same time, can be able to shield the GPS positioning…See More
Sep 13, 2023
dojammers posted a blog post

Can I adjust the placement of the portable cell phone signal jammer to improve the coverage of the shielding signal?

In the procurement of portable cell phone signal jammer, some customers are very enthusiastic to put the shielding equipment into the actual task very quickly, but also sometimes feedback back some information: the shielding signal coverage is a little on the small side. And after replacing the different working environment, feel the shielding distance of the shielding signal, some scenes will be larger, while some scenes are…See More
Sep 11, 2023
dojammers posted a blog post

Although the shielding range of the mobile phone signal jammer is different from the description

Why is the scope and characteristics of the product description different from the actual working time of the cell phone signal jammer? The field of signal shielding refers to protection against strong electric fields (distance between relevant communication stations). Generally 200 meters high. Provider testing has found that cell phone jammers are often somewhat inaccessible.Is the radiation produced by mobile phone signal jammers…See More
Sep 5, 2023
dojammers posted a blog post

The important role of countering drone power amplifiers

The rapid development of UAV technology makes it widely used in various fields, but it also brings the problem of UAV threat. Malicious drones may be used for reconnaissance, attacks, illegal activities, etc., posing a threat to society and national security. In this context, the role of countering drone jammer has become increasingly prominent.Effectively interfere with communication signals: The anti-drone power amplifier can…See More
Aug 26, 2023
dojammers posted a blog post

Many people are finding cell phone signal jammer

Cell phone signal jammer work in a similar way to radio jammers by sending out the same radio frequencies that cell phones operate on. Doing so creates enough interference so that a call can not connect with a cell phone. There are two types of cell phone jammers currently available.Sadly, they keep gaining momentum, as lots of people (particularly prison wardens) would like to believe that a new tech gadget can solve their…See More
Oct 8, 2022

Dojammers's Blog

What should I do if the full-band examination room signal shielding device gets hot?

Posted on January 24, 2024 at 10:15pm 0 Comments

The college entrance examination is coming up in three months, and many students have already begun to work hard for their future. At the same time, many schools are also stepping up preparations. In order to provide students with a fair and just environment, they have already started preparing to layout examination rooms in March. One of the more important equipment in the layout of the examination room is definitely inseparable from our full-band examination room…

Continue

What are the technical specifications of the power amplifier module of shielding signal equipment?

Posted on January 15, 2024 at 2:16am 0 Comments

The signal jammer equipment power amplifier module plays an important role in electronic equipment, and its performance indicators are critical to the stability of the entire system. Let's discuss what the technical indicators of the shielding signal equipment power amplifier module include.

1. Basic parameters

1. Rated power: This refers to the continuous power that the power amplifier module can output under normal…

Continue

What problems can a cell phone signal jammer solve?

Posted on November 5, 2023 at 10:16pm 0 Comments

What problems can a cell phone signal jammer solve?

In the information age, communication technology develops rapidly, and mobile phones have become an indispensable tool in people's daily work and life. However, the widespread use of mobile phones has also created some problems that cannot be ignored, mainly:

signal jammer

1. Mobile phones have become a new channel for leaking secrets.…

Continue

How to detect the effective blocking range of the mobile phone signal jammer in the examination room?

Posted on October 27, 2023 at 5:04am 0 Comments

How to detect the effective blocking range of the mobile phone signal jammer in the examination room?

There are several ways to test the effectiveness of cell phone jammers in the examination room. Among them, the simplest and most effective method is to directly test the power, shielding range and other data of the signal jammer in the examination room through a spectrum analyzer. If you do not have…

Continue

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